G. D. Boyd, 1972, J. Quantum Electron., QE-8, 419, 10.1109/JQE.1972.1076982
M. L. Cohen, 1966, Phys. Rev., 141, 789, 10.1103/PhysRev.141.789
J. C. Phillips, 1970, Phys. Rev. B, 2, 2147, 10.1103/PhysRevB.2.2147
J. P. Walter, 1969, Phys. Rev., 183, 763, 10.1103/PhysRev.183.763
G. Weisz, 1966, Phys. Rev., 149, 504, 10.1103/PhysRev.149.504
S. Bloom, 1968, Solid State Commun., 6, 4651, 10.1016/0038-1098(68)90056-2
R. R. L. Zucca, 1973, Appl. Opt., 12, 1293, 10.1364/AO.12.001293
Y. R. Shen, 1973, Surf. Sci., 37, 522, 10.1016/0039-6028(73)90343-9
C. Varea de Alvarez, 1972, Phys. Rev. B, 6, 1412, 10.1103/PhysRevB.6.1412
S. E. Stokowski, 1972, Phys. Rev. B, 6, 1294, 10.1103/PhysRevB.6.1294
S. Zak, 1969, The Irreducible Representations of Space Groups
J. L. Shay, 1973, Phys. Rev. Lett., 30, 983, 10.1103/PhysRevLett.30.983
J. E. Rowe, 1971, Phys. Rev. B, 3, 451, 10.1103/PhysRevB.3.451
A. Raudonis, 1973, Phys. Status Solidi B, 57, 415, 10.1002/pssb.2220570141
A. Shileika, 1973, Surf. Sci., 37, 730, 10.1016/0039-6028(73)90363-4
P. Löwdin, 1961, J. Chem. Phys., 19, 1396, 10.1063/1.1748067
G. Gilat, 1966, Phys. Rev., 144, 390, 10.1103/PhysRev.144.390
F. Herman, 1966, Atomic Structure Calculations
J. J. Hopfield, 1960, J. Phys. Chem. Solids, 15, 97, 10.1016/0022-3697(60)90105-0
W. Paul, 1970, Proceedings of the Colloquium on the Physical Properties of Solids under Pressure, Grenoble, 1969
J. L. Shay, 1970, Phys. Rev. B, 2, 4104, 10.1103/PhysRevB.2.4104
J. L. Shay, 1971, Phys. Rev. B, 3, 2004, 10.1103/PhysRevB.3.2004
J. L. Shay, 1971, Phys. Rev. B, 3, 2598, 10.1103/PhysRevB.3.2598
J. L. Shay, 1971, Phys. Rev. B, 4, 2479, 10.1103/PhysRevB.4.2479
C. C. Y. Kwan, 1970, Can. J. Phys., 48, 2085, 10.1139/p70-261
C. C. Y. Kwan, 1971, Phys. Status Solidi B, 44, K93, 10.1002/pssb.2220440256
C. C. Y. Kwan, 1971, Appl. Phys. Lett., 18, 520, 10.1063/1.1653521
R. K. Karymshakov, 1971, Fiz. Tekh. Poluprov., 5, 514
J. Kavaliauskas, 1971, Phys. Status Solidi B, 45, 443, 10.1002/pssb.2220450208